Optimism is a Layer 2 scaling solution for Ethereum that aims to make transactions on the Ethereum network faster, cheaper, and more efficient. It was founded in 2019 by Jinglan Wang and Ben Jones, and has received backing from major players in the cryptocurrency industry such as Andreessen Horowitz and Paradigm. The Ethereum network has been facing scaling challenges for a long time, as it is currently limited to processing around 15 transactions per second. This has resulted in high gas fee...